Here's a nice little blog post by jean-francois:
http://weblogs.java.net/blog/jfarcand/archive/2007/10/22_unpublished.html
It doesn’t go into great detail about what values to use, but it exposes a bunch of good properties for tuning performance
Alex Sherwin
alex.sherwin_at_acadiasoft.com
-----Original Message-----
From: glassfish_at_javadesktop.org [mailto:glassfish_at_javadesktop.org]
Sent: Saturday, October 04, 2008 9:46 PM
To: users_at_glassfish.dev.java.net
Subject: how to tune glassfish(grizzly) to improve performance on the slow network
glassfish choose grizzly as its nio engine,but the grizzly is not a full nio,so it perform badly at slow network.
what parameter could I tune to improve the performance at this situation.
1,could I tune -Dcom.sun.enterprise.web.connector.grizzly.maxSelectors to a large number,such as 200,whether it must be less than http service's RequestProcessing's thread count,what's the proper ratio between it and RequestProcessing's thread count
2,I find the "Thread Pool" in glassfish admin console's configuration,It has the attribute "Maximum Size",does it have to be larger than service's RequestProcessing's thread count
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